Seiko Cal. 4520 - 871

The 4520-871 is a sought-after Solar piece from Seiko's golden era. Powered by the 4520 caliber with 31j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-21fdb0c32a5d]

Also known as: Navigator

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

40mm

Case Thickness

11.3mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1974

Related Models

• Seiko 3832-890
• Seiko 6638-541
• Seiko 6654-201
• Seiko 3864-692
• Seiko 3870-636
• Seiko 5237-634
• Seiko 5227-184
• Seiko 5653-342
• Seiko 6172-906
• Seiko 6631-416
• Seiko 6671-462
• Seiko 6687-435